水分循环

hydrologic cycle

hydrologic cycle【土壤】;water circulation【土壤】;water cycle【土壤】

hydrologic drill

hydrologic well-drilling machine

hydrologic data【水文】

hydrologic cycle【水文】;hydrological cycle【水文】;water cycle【水文】

hydrologic(al) forecast【水文】

hydrogeography【水文】;hydrography【水文】;hydrologic geography【水文】